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贵州地处溶蚀发育山区,在隧道施工中经常遭遇地质灾害,为了保障施工安全,在隧道开挖的同时需要进行超前地质预报。笔者结合贵州省某三车道小间距隧道中的雷达应用实例,介绍了地质雷达的工作原理及其在隧道超前预报中的应用和技巧。
Guizhou is located in the erosion and development of mountainous areas. It often encounters geological disasters in the construction of tunnels. In order to ensure the construction safety, advanced geological prediction is required at the same time of tunnel excavation. Based on the application of radar in a small three-lane tunnel in Guizhou Province, the author introduces the working principle of GPR and its application in the advanced prediction of tunnels.